<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8"
          name="viewport"
          content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=2.0, user-scalable=yes" />
    <title th:text="'${proName}' + 首页"></title>
</head>
<body>
    <div style="width: 300px; border: green solid 3px; margin: 0 auto">
        <span th:text="${proName}"  style="color: red; font-family: 楷体;
         font-size: 100px; background-color: aquamarine;
         display: flex;justify-content: center;align-items: center"></span>
    </div>
    <h3>测试</h3>
    <h3 th:text="${proName}"></h3>
</body>
</html>